Hylaeus (Deranchylaeus) leucolippus (Friese, 1913)

Dathe, Holger H., 2014, Studies on the systematics and taxonomy of the genus Hylaeus F. (8) Revision of the Afrotropic subgenus Hylaeus (Deranchylaeus) Bridwell (Hymenoptera: Anthophila, Colletidae), Zootaxa 3874 (1), pp. 1-84 : 49-50

Hylaeus (Deranchylaeus) leucolippus (Friese, 1913)

Figures 11 , 96–97

Prosopis leucolippa Friese, 1913a: 574 . 1 ♂, Deutsch Südwest-Afrika [ Namibia]: Grotfontein. Typus ♂ MNHU Berlin; genital capsule prepared by HHD, Sterna 7 and 8 lacking.— Friese 1913b: 574; Alfken 1914: 191–192; Friese 1916: 417, 425–426.

Hylaeus (Deranchylaeus) leucolippus (Friese) : Bridwell 1919: 145; Snelling 1985: 8; Rasmussen & Ascher 2008: 65.

Hylaeus leucolippus (Friese) : Cockerell 1942: 2; Eardley & Urban 2010: 31.

Diagnosis

This is a small dainty species with a complete mask, bright mouth parts, yellow flagella and a strong punctation on T1. The terminal area of the propodeum is circumscribed by a sharp edge. The female is unknown. The species belongs to the curvicarinatus-group.

Characteristic features

Male. TL 4.4–4.8 (4.58) mm, WL 3.0–3.2 (3.15) mm.

Head. Proportions HL:HW 1.06, UFW:LFW 1.64, outline expanded trapezoid. Scapi black, in front with a triangular white spot, short, not expanded, as wide as flagella, SL:SW 1.8; flagella long, yellow, little darker above; mask complete, ivory white. Clypeus CL:CW 1.48, silky shining, punctation moderate, close, anterior margin light brown; frons and vertex shiny, punctation strong, subcontiguous; wings expanded. Labrum and mandibles white.

Mesosoma. Pilosity inconspicuous, pronotum posterior margin with white felt band; pronotum laterally with two lines, calli and tegulae white. Pronotum slightly expanded forward, anterior margin lamellar sharp, dorsolateral angles blunt. Mesonotum and scutellum silky shining, punctation strong, dense. Legs black, tibiae brightly colored basally and apically, foretibiae in front; tarsi brown; wings darkened, venation brown. Propodeum edged; medial area with coarse reticulate structure, shiny, distally delimited by a carina; terminal area surrounded by sharp margins.

Metasoma. Slender spindle-shaped, black. T1 shagreen, shiny, punctation strong, close, T2 similar, following terga shagreen without punctation; T1 with sparse, white lateral fringes. Terminalia ( Fig. 11 ): copulatory apparatus with short, blunt gonoforcipes, outline oval.

Distribution

Namibia, South Africa, Zimbabwe.

Specimens examined: 3 ♂ coll. MNHU, OLBL.

NAMIBIA. Grootfontein.

SOUTH AFRICA. KwaZulu-Natal: Maputaland, Emanguzi SW.

ZIMBABWE. Bulawayo.

Figures

FIGURES 8–11. Male terminalia in species of curvicarinatus-group, subgroup (1).—8 H. alfkeni (Friese).—9 H. curvicarinatus (Cameron).—10 H. gessianus sp. n. (typus).—11 H. leucolippus (Friese) (typus). Scale 0.5 mm.

FIGURES 96–97. H. (Deranchylaeus) leucolippus (Friese), male (typus): 96 head in frontal view, 97 surface structure of basal terga. Scale 0.5 mm.